legislation_cosponsors: 98-sjres-45, J000101

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id	bioguide_id	full_name	party	state	sponsorship_date	is_original_cosponsor
98-sjres-45	J000101	Sen. Jepsen, Roger W. [R-IA]	R	IA	1983-03-18	1